Inflatable mattress



FIG. 1 is a perspective view of an inflatable mattress, according to the principles of the present disclosure.

FIG. 2 is a plan elevation view of the embodiment of FIG. 1.

FIG. 3 is a side elevation view of the embodiment of FIG. 1, the other side view being a mirror image thereof.

FIG. 4 is a top end view of the embodiment of FIG. 1.

FIG. 5 is a bottom end view of the embodiment of FIG. 1; and,

FIG. 6 is a plan view showing the underside of FIG. 1.

The design is composed of two portions, a body portion and a head support and lens portion insertable in an upper central opening of the body portion. The lens is visible in FIG. 6. 

The ornamental design for an “inflatable mattress,” as shown and described. 